merge revision(s) 37594: [Backport #7046]
* lib/erb.rb (ERB#run, ERB#result): eval under isolated bindings for safe concurrent use. [ruby-core:47638] [Bug #7046]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@38318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 37594: [Backport #7046]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@38318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e